Frontier CEO Barry Biffle departs; President James Dempsey named interim CEO

Frontier Group Holdings, Inc.

Barry L. Biffle steps down as CEO effective Dec 15, 2025; remains as director and advisor through Dec 31, 2025.
James G. Dempsey, President and former CFO (2014-2023), appointed Interim CEO effective Dec 15, 2025.
Board Chair Bill Franke thanked Biffle for 11 years of leadership and expressed confidence in Dempsey.
Frontier reiterated Q4 2025 guidance previously announced Nov 5, 2025; no change to outlook.

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